Instruction/ maintenance manual of the product Inspiron 20 (3043) Dell
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Inspiron 20 Service Manual Computer Model: Inspiron 20 Model 3043 Regulatory Model: W13B Regulatory Type: W13B001.
Notes, Cautions, and Warnings NOTE: A NOTE indicates important information that helps you make better use of your computer. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
Contents Before Working Inside Your Computer ..................................... 7 Before You Begin .............................................................................................. 7 Safety Instructions ................................
Replacing the Control-Buttons Board .................................... 27 Procedure ......................................................................................................... 27 Post-requisites ........................................
Replacing the System Board ......................................................42 Procedure ........................................................................................................ 42 Post-requisites .................................
Replacing the Display Assembly ............................................... 58 Procedure ........................................................................................................ 58 Post-requisites ...................................
Before Working Inside Your Computer CAUTION: To avoid damaging the components and cards, handle them by their edges and avoid touching pins and contacts. NOTE: The images in this document may differ from your computer depending on the configuration you ordered.
WARNING: Before working inside your computer, read the safety information that shipped with your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/ regulatory_compliance. WARNING: Disconnect all power sources before opening the computer cover or panels.
• Philips screwdriver • Flat-head screwdriver • Plastic scribe 9.
After Working Inside Your Computer CAUTION: Leaving stray or loose screws inside your computer may severely damage your computer. 1 Replace all screws and make sure that no stray screws remain inside your computer. 2 Connect any external devices, peripherals, and cables you removed before working on your computer.
Technical Overview WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer .
System Board Components 1 memory-module slot (DDR3L) 2 hard-drive cable connector (HDD) 3 wireless-card slot (WLAN) 4 display-backlight cable connector 5 display-cable connector (LVDS) 6 speaker-cable.
1 camera and control-buttons board cable connector 2 coin-cell battery cable connector 3 coin-cell battery 13.
Removing the Hard Drive WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer .
5 Lift and slide the hard-drive assembly out of the slot on the back cover. 1 hard-drive assembly 2 screws (4) 3 pull tab 4 hard-drive cable 5 interposer board 6 Turn the hard-drive assembly over.
7 Peel off the tape that secures the interposer board to the hard-drive assembly. 1 hard-drive assembly 2 interposer board 3 tape 8 Turn the hard-drive assembly over. 9 Pull the interposer board to disconnect it from the hard-drive assembly. 10 Remove the screws that secure the hard-drive bracket to the hard drive.
11 Lift the hard-drive bracket off the hard drive. 1 interposer board 2 screws (4) 3 hard drive 4 hard-drive bracket 17.
Replacing the Hard Drive WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer .
Removing the Back Cover WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer .
Procedure 1 Slide the tabs on the hard-drive door into the slots on the back cover and snap the hard-drive door into place. 2 Remove the screws that secure the back cover to the display bezel.
3 Using a plastic scribe, pry the back cover from the display bezel starting from the notch at the bottom of the back cover. CAUTION: To avoid damaging the rubber foot, do not use the plastic scribe under the rubber-foot area.
4 Carefully lift the back cover and turn it over. 1 back cover 2 display bezel 5 Follow the instructions from step 1 to step 4 in “Removing the Control- Buttons Board ”.
7 Lift the back cover off the surface. 1 back cover 23.
Replacing the Back Cover WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer .
Removing the Control- Buttons Board WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer .
4 Lift the control-buttons board off the back cover. 1 screws (3) 2 control-buttons board 3 control-buttons board cable 4 tape 26.
Replacing the Control-Buttons Board WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer .
Removing the Wireless Card WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer .
3 Slide and remove the wireless card from the wireless-card slot. 1 antenna cables (2) 2 tab 3 wireless card 4 screw 5 notch 6 wireless-card slot 29.
Replacing the Wireless Card WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer .
Removing the Power-Status Light Board WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer .
3 Lift the power status-light board off the display bezel. 1 power status-light cable 2 screws (2) 3 power status-light board 4 connector latch 32.
Replacing the Power-Status Light Board WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer .
Removing the Speakers WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer .
6 Lift the speakers along with the cable off the display bezel. 1 speaker cable 2 screws (5) 3 tape 4 speakers (2) 5 power-status light cable 6 connector latch 35.
Replacing the Speakers WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer .
Removing the System Board WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer .
Procedure 1 Lift the connector latch and disconnect the power-status light cable from the system board. 2 Disconnect the hard-drive cable, speaker cable, display cable, and display-backlight cable from the system board. For more information, see “ System Board Components ”.
4 Carefully lift the system-board bracket and turn it over. 1 screws (3) 2 system-board bracket 5 Disconnect the camera and control-buttons board cable from the system board.
6 Remove the screws that secure the system-board to the system-board bracket. 7 Lift the system board at an angle and release the ports on the system board from the slots on the system-board bracket. 8 Turn the system board over and place it on a clean and flat surface.
11 Remove the system board off the surface. 1 system board 41.
Replacing the System Board WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer .
Post-requisites 1 Replace the wireless card . 2 Follow the instructions from step 3 to step 5 in “Replacing the Back Cover ”. Entering the Service Tag in the BIOS 1 Turn on the computer. 2 Enter System Setup: – during POST, when the DELL logo is displayed, watch for the F2 prompt to appear, press F2 key on your keyboard immediately.
Removing the Coin-Cell Battery WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer .
Procedure 1 Disconnect the coin-cell battery cable from the system board. 2 Pry the coin-cell battery off the system board. 1 coin-cell battery cable 2 system board 3 coin-cell battery 45.
Replacing the Coin-Cell Battery WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer .
Removing the Memory Module WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer .
Procedure 1 Use your fingertips to spread apart the securing clips on each end of the memory-module slot until the memory module pops up. 2 Remove the memory module from the memory-module slot on the system board.
Replacing the Memory Module WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer .
Procedure 1 Align the notch on the memory module with the tab on the memory- module slot. 2 Insert the memory module into the memory-module slot, and press the memory module down until it clicks into place. NOTE: If you do not hear the click, remove the memory module and reinstall it.
Removing the Heat Sink WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer .
Procedure 1 Loosen the captive screws that secure the heat sink to the system board. 2 Lift the heat sink off the system board. 1 captive screws (2) 2 heat sink 3 system board 52.
Replacing the Heat Sink WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer .
Removing the Display Assembly WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer .
5 Peel off the tapes that secure the display cable to the display panel. 1 Aluminium foil tapes (2) 2 camera and control- buttons board cable 3 display-backlight cable 4 tapes (2) 5 display panel 6 display bezel 7 display cable 8 connector latches (2) 6 Peel off the Aluminium foil tapes that secure the antenna modules to the display panel.
7 Remove the screws that secure the display panel to the display bezel. 1 Aluminium foil tapes (2) 2 screws (8) 3 display panel 4 display bezel 8 Pry the display panel off the display bezel and place it on a flat and clean surface. 9 Remove the screws that secure the display-panel brackets to the display panel.
10 Lift the display panel off the surface. 1 screws (4) 2 display panel 3 display-panel brackets (2) 57.
Replacing the Display Assembly WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer .
Removing the Antenna WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer .
3 Remove the antenna cables from routing guides on the display bezel. 1 Aluminium foil tapes (2) 2 camera and control- buttons board cable 3 wireless card 4 antenna cables (2) 4 Note the location of the antenna modules and peel off the Aluminium foil tapes that secure the antenna modules to the display panel.
6 Lift the antenna modules along with the antenna cables off the display bezel. 1 antenna modules (2) 2 Aluminium foil tapes (2) 3 display bezel 61.
Replacing the Antenna WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer .
Removing the Camera WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer .
4 Disconnect the camera cable from the camera module. 1 Aluminium foil tape 2 screws (2) 3 camera cable 4 camera module 64.
Replacing the Camera WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer .
Removing the Display Bezel WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer .
1 display bezel 67.
Replacing the Display Bezel WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer . After working inside your computer, follow the instructions in After Working Inside Your Computer .
Flashing the BIOS You may need to flash (update) the BIOS when an update is available or when you replace the system board. To flash the BIOS: 1 Turn on the computer. 2 Go to dell.com/support . 3 If you have your computer's Service Tag, type your computer's Service Tag and click Submit .
Getting Help and Contacting Dell Self-Help Resources You can get information and help on Dell products and services using these online self-help resources: Self-Help Information Self-Help Options Accessing Windows Help Windows 8.1 — Open the Search charm, type Help and Support in the search box and press Enter .
NOTE: If you do not have an active internet connection, you can find contact information on your purchase invoice, packing slip, bill, or Dell product catalog.
An important point after buying a device Dell Inspiron 20 (3043) (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Dell Inspiron 20 (3043) yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Dell Inspiron 20 (3043) - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Dell Inspiron 20 (3043) you will learn all the available features of the product, as well as information on its operation. The information that you get Dell Inspiron 20 (3043) will certainly help you make a decision on the purchase.
If you already are a holder of Dell Inspiron 20 (3043), but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Dell Inspiron 20 (3043).
However, one of the most important roles played by the user manual is to help in solving problems with Dell Inspiron 20 (3043). Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Dell Inspiron 20 (3043) along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
